// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
})
const db = cloud.database()

// 云函数入口函数
exports.main = async(event, context) => {
  return await db.collection('workingGroup').where({
    _id: db.command.in(event.groupIds)
  }).update({
    data: {
      pid: null
    }
  }).then(res => {
    return res
  })
}